Bibek Singh

6 Questions 2 Answers 0 Followers

Questions related from Bibek Singh

Sample quantity for Hydrogen, oxygen evolution reactions?

I want to do hydrogen and oxygen evolution reactions using nanoparticles synthesised using laser ablation method. But the yield is very low in this method. is there a minimal requirement of...

17 September 2022 9,933 1 View

How to interpret different types of SAED pattern?

The SAED patterns are used for calculating the d-spacing and then the (hkl) planes associated with it is determined. But the the pattern itself is of different nature, sometimes we get a (a)...

05 July 2022 9,721 0 View

What does the hexagonal feature in SAED pattern mean?

Sometimes we get a hexagonal type of feature in the SAED pattern, i.e. the spots are arranged/positioned in a hexagonal shape. In this case how do we calculate the d-spacing and find the crystal...

05 July 2022 6,224 0 View

What is differential absorbance?

How do we get a differential absorbance and can we find the differential spectra from UV plot?

23 June 2022 4,515 0 View

Sample preparation for Raman and SERS analysis?

1. What is the best way to prepare samples for the Raman analysis, the sample in question is a colloidal solution. So far I have come across two different methods to do so, (a) To drop cast a...

01 March 2022 6,091 4 View

How does SAED pattern work in case of Alloys?

In case of single crystals we obtain bright diffraction spots and in case polycrystalline materials a circular ring formation of the diffraction spots is seen but how do we associate the hkl-plane...

09 August 2021 5,873 2 View